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NRT660 Portable Protection Measurement and control comprehensive Intelligent Tester

NRT660 is a relay protection tester with high precision output, suitable for routine, intelligent station inspection and inspection and control device inspection. With analog and digital output, compatible merge unit test, multi - channel output and many other functions. It is suitable for factory joint inspection, field debugging, operation and maintenance, trouble repair, research and development verification, skill training and other occasions of the secondary system of substation.
Application Cases
Functional Features
Technical specifications
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• Complete functions, rich interfaces, high precision to meet the inspection requirements of integrated equipment

• Tests can be performed on both conventional and digital reinsurance

• Unique man-machine separation operation platform, safer and more user-friendly (tablet, laptop or desktop connection available)

•PDF format setting single key import, automatic test.

• The working power supply supports AC/DC power supply mode, which is more flexible and convenient

• It has the function of monitoring the condition of the outlet of the protective device, which can judge its potential and record the time of change

• Have the ability to communicate with the protection device, can read the protection device values, and set the protection device parameters according to the test requirements

• Adopt new modular structure to make product upgrading and after-sales easy and fast

• Small size, light weight, easy to carry, only 7.5KG

• Multiple timing modes

Analog output

Output type

amplitude

Output accuracy

Ac voltage

4 x 120V/7 x 120V(Optional)

0.1%

Alternating current

3 x 10A/6 x 10A (Optional)

0.1%

Dc voltage

4 x 120 v

Plus or minus 25 mv (0.5-5 v)

Plus or minus 0.5% (5-120 - v)

Direct current

3 x 10 a

Plus or minus 5 ma (0.2 1 a)

±0.5%(1-10A)

Auxiliary dc voltage

0-300V

Plus or minus 0.5%

phase

Plus or minus 360 DHS

< 0.1 DHS

frequency

10-1000Hz

10Hz<f≤65Hz,

±0.001Hz;

65Hz<f≤450Hz,

±0.01Hz;

450Hz-1000Hz,

+ / - 0.02 Hz; 

Four switch inputs

It can be connected to empty node and potential node

0-250V

4 channel switch output

Fast departure

Less than 100us

Optical digital output (optional)

1) Optical fiber communication interface: There are 6 groups of ports and the interface type is LC.

2) FT3 interface: Number of ports 6 send and 2 receive. The interface type is ST.

interface

category

type

quantity

Serial port

RJ45

1 piece

Timing antenna interface

Signal source: GPS /BD. 

1 piece

Multi-mode timing interface

Timing method (optional)

1 piece

Egress status detection interface

DB9

2 PCS (total 16 channels)

Wireless WiFi antenna interface

SMA

1 piece

USB interface

USB

2

Ethernet communication interface

RJ45:100/1000Base-Tx

2


Mechanical dimensions and weights

Weight not exceeding 7.5KG

Size 380mm*325mm*175mm(length × width × height)

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